Every arrive-and-drive brochure photographs the jump. Nobody photographs 2am, which is a shame, because 2am is what you are actually paying for.
Here is what happens after the driver goes to bed.
The car comes apart
Not dramatically. Methodically. Wheels off, guards off, the underside checked by torch and by thumb. Murram is honest but relentless. It rarely breaks a car with one hit, it loosens things a thousand small ways, and the crew's job is to find every one of them before tomorrow's first stage does.
The time card sets the tempo
Service is not finished when the car is finished. It is finished when the schedule says so. A good crew chief runs the halt backwards from the out time: what must happen, what should happen, and what can wait for the next halt without turning into tomorrow's crisis.
Spares are a philosophy
You cannot carry everything, so what you carry is a theory about what the road will do. The difference between teams that finish and teams that explain is mostly how quickly the crew adapts when part of that theory turns out to be wrong.
Why this page exists
When we say a seat includes a full service crew, this is the sentence behind the sentence. The driver's week is the visible tenth of the programme. The other nine tenths happen under floodlights, in the smell of brake cleaner and milky tea, done by people who would honestly rather be nowhere else.